KDE kfile JPEG info plugin: Denial of Service

1. Gentoo Linux Security Advisory

Advisory Reference	GLSA 200701-05 / kdegraphics-kfile-plugins
Release Date	January 12, 2007
Latest Revision	January 12, 2007: 01
Impact	normal
Exploitable	remote

Package	Vulnerable versions	Unaffected versions	Architecture(s)
kde-base/kdegraphics-kfile-plugins	< 3.5.5-r1	>= 3.5.5-r1	All supported architectures

Related bugreports: #155949

Synopsis

The KDE kfile JPEG info plugin of kdegraphics could enter an endless loop leading to a Denial of Service.

2. Impact Information

Background

The KDE kfile-info JPEG plugin provides meta-information about JPEG files.

Description

Marcus Meissner of the SUSE security team discovered a stack overflow vulnerability in the code processing EXIF information in the kfile JPEG info plugin.

Impact

A remote attacker could entice a user to view a specially crafted JPEG image with a KDE application like Konqueror or digiKam, leading to a Denial of Service by an infinite recursion.

3. Resolution Information

Workaround

There is no known workaround at this time.

Resolution

All KDE users should upgrade to the latest version:

Code Listing 3.1: Resolution

# emerge --sync
# emerge --ask --oneshot --verbose ">=kde-base/kdegraphics-kfile-plugins-3.5.5-r1"

4. References

CVE-2006-6297

Updated January 12, 2007

Summary: This is a Gentoo Linux Security Advisory

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